64results about How to "To achieve the purpose of harmless treatment" patented technology

The invention discloses an enhanced montmorillonite adsorbent and a preparation method thereof. The enhanced montmorillonite adsorbent is made by modifying montmorillonite with sodium salts, iron salts and microwave. The preparation method comprises the following steps of: firstly treating montmorillonite used as a raw material with a sodium carbonate solution with mass concentration of 8-10 g/L, then treating the montmorillonite with 0.1 mol/L FeCl3 solution, treating with microwave, and drying and calcining to obtain the enhanced iron-based montmorillonite. After being treated with the adsorbent disclosed by the invention, the waste water containing arsenic and inorganic arsenic has the arsenic content lower than 50 mcg/L. The purpose of environment-friendly treatment is achieved, the raw material can be obtained easily, the adsorbent can be prepared easily with low cost and has bright application prospect.

The invention relates to a method for producing a microorganism luminous energy organic fertilizer by utilizing table/kitchen wastes. The method comprises the steps of: (1) carrying out solid-liquid separation on the table/kitchen wastes, deoiling the separated liquid, and inputting the separated solid ingredients into a grinder for grinding and then carrying out oxidative degradation; (2) inputting the deoiled liquid into a fermentation tank and inputting lactobacillus into the fermentation tank to carry out amino acid fermentation; (3) inputting the fermented mixture into a membrane filtration concentrator for concentration and then carrying out storage so as to generate a concentrated lactobacillus prepared fertilizer; (4) taking the concentrated lactobacillus and the oxidative degraded product as base materials, then mixing the base materials with an organic matter carrier and carrying out hydrolysis; (5) adding a photocatalyst to carry out nitrogen fixation and granulation; and (6) carrying out low-temperature drying to obtain the microorganism luminous energy organic fertilizer. According to the method provided by the invention, high-energy oxygen and microorganism lactobacillus are used for realizing the rapid hydrolysis, oxidation and degradation of organic biomasses in the table/kitchen wastes so as to generate the lactobacillus prepared fertilizer, so that the aims of harmlessly treating and recycling the organic biomass table/kitchen wastes are achieved.

The invention belongs to the technical field of functional materials and magnetic materials, and in particular relates to a functionalized magnetic carbonaceous material and its preparation method and application. One-step synthesis of the process; (2) The surface of activated carbon is doped with magnetic nanoparticles, which improves the easy aggregation of magnetic particles and enables the products to be magnetically separated without causing secondary pollution of water bodies; (3) Controlling the reaction conditions during the preparation process can achieve magnetic Controllable nanoparticle content, silica layer and amino layer; (4) Enhance the dispersion performance of the material by adjusting the mass ratio of activated carbon and magnetic particles in the magnetic activated carbon carrier, and selectively adsorb and remove Pb(II) in wastewater , to achieve the purpose of harmless treatment, and provide the possibility to realize its application and promotion in engineering.

The invention discloses a biological degradation method and degradation device for animal carcasses. The degradation method comprises the following steps of 1 raw material smashing, wherein animal carcass raw materials needing to be treated are smashed into blocks through a smashing machine; 2 high-temperature sterilizing and one-time degrading, wherein the smashed animal carcass raw materials are conveyed into a decomposition tank, high-temperature sterilizing bacteria and auxiliary materials for adsorbing oil and fat are added into the tank, then the decomposition tank is sealed and heated to 120 DEG C or above, stirring is performed in a timing mode in the heating process, standing is performed for 10-14 hours, and then the materials are discharged; 3 secondary degrading, wherein composting fermentation is performed on the animal carcass raw materials processed through high-temperature sterilizing and one-time degrading to complete secondary degrading. According to the method, sterilizing is safe and thorough, sterilizing, decomposing and waste gas condensing and recycling of the animal carcasses are achieved at a time in the decomposition tank, the application range is wide, produced organic fertilizer cannot damage crops, the technology is reasonable, operation is easy and convenient, and energy conversation and environmental protection are achieved.

The invention provides a harmless muck treatment system. The harmless muck treatment system comprises a crusher, a stirring device, a repairing box, a separation pool and a filter press, wherein a feeding opening of the crusher is connected with a raw material conveying device, a discharging opening of the crusher is connected with a second conveying device, and the second conveying device is connected with a hopper; a feeding opening of the stirring device is connected with the hopper, the stirring device can be a rotary tank stirrer, the repairing box is also connected to the feeding opening of the stirring device, the discharging opening of the stirring device is connected with a feeding opening of the separation pool, a feeding opening of the filter press is connected with the discharging opening of the separation pool through a filter pressing pump, and a discharging opening of the filter press is connected with a discharging opening of the separation pool; and a discharging opening of the filter press is connected with the second conveying device. According to the harmless muck treatment system, by arranging the repairing box and the stirring device, waste soil and repairing liquid are mixed more evenly, the repairing effect is more obvious, the treated waste soil can be free of pollution residues, and the purpose of innocent treatment is achieved.

The invention discloses a method for treating an antidepressant venlafaxine in water by utilizing electron beam irradiation, particularly electron irradiation, and belongs to the technical fields of nuclear technology application, water treatment and environmental protection. According to the method disclosed by the invention, a water body containing the venlafaxine is treated by utilizing high energy electrons generated under electron accelerator radiation conditions to degrade the venlafaxine. An electron accelerator adopted in the method disclosed by the invention has an electron irradiation dose of 0.5-5 KGy. Concentrated sulfuric acid is added in a used sample pretreatment solution of the venlafaxine to regulate the pH value of the solution to reach 2-7, and 1-5 mM of hydrogen peroxide is added into the solution, so that a radiation degradation effect is promoted; moreover, the irradiation dose can be properly reduced. The method disclosed by the invention can remove the venlafaxine drug pollution in the water body, is high in reaction speed and high in degradation efficiency, has better applicability when being compared with other traditional methods and is an efficient and energy-saving water treatment technology.

The invention relates to a preparation method for preparing facing bricks by modifying household waste incinerated fly ash. The preparation method comprises the following steps: taking a NaOH solutionas a modifier, mixing and stirring with fly ash, and washing with water, performing suction filtration and drying to obtain modified fly ash; mixing the modified fly ash, china clay and feldspar, performing aeration-drying in a drying chamber for 36-48 hours, grinding, adding the material obtained by grinding into a stirrer, adding water to stir, standing at a room temperature for 12-24 hours soas to age, and screening the aged material by a screen of 50-100 meshes; and performing compression molding on the aged and screened material on a brick making machine, drying the molded green body ina dry kiln for 12+/-2 hours, and calcining the dried green body in a smelting furnace, thereby obtaining the product. According to the method disclosed by the invention, potential secondary pollutionof the fly ash in the landfill process can be avoided, potential hazards to the society are reduced, and lots of fly ash safety landfill disposal cost and land resources can be saved.

The invention relates to a groundwork curing and soil property improving agent, developed for curing the soil and simultaneously achieving long-term stability. Its components are inorganic metal elements, thus having no problem of environmental pollution. Whether in soil property or sea water, it has the properties of curing in water, freeze resistance and high-temperature resistance. It also absorbs the advantages of previous method of maming cement-earth mixture, overcomes the disadvantages, like curing contractility, freeze-thaw resistance and fragility. It cures year by year, therefore it is uneasy to age and be eroded by acids or alkalis. It can directly use the earth on the spot without sand and other raw materials and has characters of short construction cycle and environmental protection.

The invention belongs to the field of chemical engineering, and discloses a tar residue treatment method which comprises the following steps: 1, heating tar residues by adopting a preheater to obtainheated tar residues; 2, adding water into the heated tar residues through a dilution tank for dilution to prepare diluted tar residues; 3, centrifuging the diluted tar residue by adopting a centrifugal machine to obtain liquid and solid; 4, feeding the liquid into a clarification tank for clarification to obtain water and tar; 5, feeding the solid into a carbonization pyrolyzing furnace for pyrolyzing to obtain tar and coke particles; and cooling the tar by adopting a condenser to obtain cooled tar. The tar residue treatment method is simple, easy to operate and implement and low in cost, therecovery rate of the tar component in the tar residue reaches 90% or above, and the purposes of resource utilization, reduction and harmless treatment of the tar residue are truly achieved; meanwhile,coke particles separated from the tar residues are fed into a powder warehouse to be treated as fuel, so that the resource utilization rate is further increased.

The invention relates to a method for preparing chemical leakage accident adsorbents from excess activated sludge, and mainly solves the problems of higher cost and environment pollution in the prior art. According to the method for preparing the chemical leakage accident adsorbents from the excess activated sludge, crushed excess activated sludge with the moisture content being lower than 60 percent and alkali liquor are subjected to sealing steeping after being mixed and are then put into an electric heating box for constant temperature heating; the mixture is taken out and is then washed until the pH is 6 to 8; then, drying is carried out; the dried excess activated sludge is ground; the ground excess activated sludge and a phosphoric acid solution are mixed; the mixed solution is put into a drying box to be subjected to air pre-oxidation; the excess activated sludge subjected to pre-oxidation is subjected to temperature rise under the nitrogen gas atmosphere for carbonization and activation; the excess activated sludge subjected to carbonization and activation is taken out after the temperature is lowered; after washing, the chemical leakage accident adsorbents are obtained. Through the technical scheme, the problems are better solved, and the method can be used for preparing the chemical leakage accident adsorbents.

The invention provides a microwave catalysis waste gas treatment method and a control system thereof, and belongs to the technical field of waste gas treatment.The microwave catalysis waste gas treatment method comprises the steps that the first current temperature of a porous catalyst module in a cavity is obtained; determining a target processing strategy matched with the first current temperature; and target waste gas treatment is controlled according to the target treatment strategy. That is to say, according to the first current temperature of the porous catalyst module, the purpose of harmless treatment of the waste gas can be achieved; the problems that in the prior art, the waste gas treatment efficiency is not high and the application range is limited due to the fact that waste gas treatment can be carried out after a catalyst is heated only when a microwave scattering device rotates to generate reflection in all directions on microwaves are solved, the waste gas treatment efficiency is flexibly and efficiently improved, and energy consumption is reduced; therefore, the service life of the microwave catalytic waste gas treatment equipment is prolonged.

The invention provides an organic fertilizer for improving soil fertility. The organic fertilizer mainly comprises the following raw materials in parts by weight: pig manure, furfural residues, plantash and zymophyte. The preparation method comprises the following steps: (1) weighing the raw materials; pig manure and furfural residues are crushed and sieved respectively; (2) adding plant ash andcrushed furfural residues into a batching machine, uniformly stirring, and standing for 1 hour to obtain a mixture a; (3) uniformly mixing the crushed pig manure with the mixture a, adding zymophyte,and uniformly stirring to obtain a mixture b; (4) composting: piling the mixture b for 2-3 days; standing for 1-2 days after the temperature in the pile reaches about 60 DEG C; (5) turning: turning the pile for the first time, turning the pile for the second time after standing for 3-5 days, and turning the pile for the third time after standing for 3-5 days; and (6) slowly reducing the temperature in the pile, and packaging after the temperature is reduced to normal temperature. The organic fertilizer has the beneficial effects of improving soil fertility and soil air permeability and breaking soil hardening, and is suitable for the field of organic fertilizers.

The invention discloses a small anaerobic/aerobatic integrated fermentation tank for research education. A tank body and a tank cover fixedly connected in a sealed mode through fastening screws; a stirring motor and a controller are arranged on the tank cover; the tank cover is further provided with an exhaust port and an inner observation opening; the tank body is of an inner-and-outer layer cylinder structure; a heating layer is arranged on the outer wall of the inner layer of tank body; the interior of the inner layer of tank body is provided with a stirring rod connected with the stirring motor. The small anaerobic/aerobatic integrated fermentation tank for research education is further provided with a thermoelectric couple, an acidimeter, a methane concentration sensor and a pressure sensor which are connected with the controller through wires; the lower end of the tank body is provided with an air supply port and a reflux pump/liquid outlet; a reflux pipe is arranged outside the tank body and is connected with the reflux pump/liquid outlet; the reflux pipe is communicated into the inner layer of tank body; the reflux pump/liquid outlet presses percolate generated by fermentation back into the fermentation tank through the reflux pump or discharges the percolate generated by fermentation; bearings are arranged on the two sides outside the tank body and connected with a support; the tank body can rotate in a reciprocating mode by 0-180 degrees. The small anaerobic/aerobatic integrated fermentation tank for research education is compact in structure and convenient to use.

The invention relates to a biomass burner and a use method. The biomass burner is arranged inside a boiler cavity, biomass fuel is scattered at the center of a stirring disc, a motor I drives the stirring disc to rotate, a plurality of stirring rods of the stirring disc lay the biomass fuel on the surface of a burning disc, meanwhile, an air supplying motor conveys high-pressure air to an air cavity tray, the concentrated bunch high-pressure air is turned into high-pressure spiral air by air uniforming protective blocks to be conveyed to a burning space inside a boiler, oxygen filling aid-combustion is performed on the biomass fuel, the burned biomass fuel is circled and blocked by an ash block when entering the burning disc step by step to perform tail burning namely the carbon burning stage, the multiple stirring rods of the stirring disc stir residue after tail burning into an ash discharging box again, and the biomass fuel residue is smashed and discharged by two residue breaking devices. The biomass burner and the use method have the beneficial effects that the problem perplexing straw fuel burning for a long time of coking, slagging and being unable to be popularized and applied is solved, the purpose of innocuous treatment is realized, and discharged flue gas reaches the standard of clean energy.

The invention discloses a waste fermentation device using an overclocking technology. The device comprises a base, a fermenting silo is fixed to the top end of the base, a lifting frame body is fixed to one side wall of the fermenting silo, the top end of the lifting frame body is provided with a lifting machine by screws, a steel wire rope winds the lifting machine, the bottom end of the steel wire rope passes through the lifting frame body and is connected to a loading stock bin, the loading stock bin is located at the bottom end of the side wall of the lifting frame body, the loading stock bin is slidingly connected to the side wall of the lifting frame body, the top end of the fermenting silo is provided with a feeding inlet, the feeding inlet is located at the bottom of one side of the lifting frame body, the side wall of the bottom of the fermenting silo is provided with a cavity, a vortex gas pump, a transmission device and a hydraulic cylinder are arranged in the cavity, the transmission device is located between the vortex gas pump and the hydraulic cylinder, and an output end of the vortex gas pump extends into the fermenting silo through a conduit. The device realizes harmless treatment and resource utilization of wastes and reduces fermentation exhaust damage.

The invention relates to a landfill leachate treatment method, which belongs to the technical field of wastewater treatment, and comprises the following steps: 1, adjusting the pH value of landfill leachate to obtain pH-adjusted wastewater; step 2, adding an iron-carbon filler into the wastewater subjected to pH regulation, and then adding ferrous sulfate heptahydrate and hydrogen peroxide to obtain wastewater subjected to oxidation treatment; 3, aerating the wastewater subjected to oxidation treatment to obtain wastewater subjected to aeration treatment; step 4, adding a flocculating agent and a coagulant aid into the wastewater subjected to aeration treatment for flocculating settling, and filtering to obtain filtrate; and 5, adjusting the pH value of the filtrate, adding persulfate into the wastewater under the conditions of ultraviolet light irradiation activation and ozone aeration, carrying out an oxidation reaction, and discharging. According to the method, the removal rate of organic matters is increased through an iron-carbon micro-electrolysis-Fenton and ozone-ultraviolet-persulfate two-round composite oxidation process; and the modified anionic polyacrylamide coagulant aid is introduced, so that the flocculation effect is improved.

The invention discloses a resourceful treatment process for high-concentration organic wastewater containing phosphorus and sulfur. The process comprises the following steps: (1) spraying wastewater into an incineration system for high-temperature combustion; (2) cooling incineration tail gas, enabling the cooled incineration tail gas to enter a water washing tower for absorption, absorbing a phosphorus pentoxide component in the incineration tail gas via clean water, dissolving phosphorus pentoxide in the clean water, and conducting reacting to generate a phosphoric acid component; (3) enabling the washed tail gas to enter an ammonia washing tower for absorption, and conducting oxidizing to generate an ammonium sulfate component; (4) carrying out vacuum evaporation and concentration on clear water absorption liquid at the bottom of the water washing tower to obtain a phosphoric acid product; and (5) feeding ammonia water absorption liquid at the bottom of the ammonia washing tower into an MVR evaporative crystallizer, and carrying out evaporative crystallization to obtain an ammonium sulfate product. By adopting the process, the high-concentration organic wastewater containing phosphorus and sulfur can be effectively treated, recycling of phosphorus and sulfur in the wastewater is achieved, and economic benefits are increased.